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89908624 = 24133131381
BaseRepresentation
bin1010101101111…
…10010110010000
320021011211110001
411112332112100
5141004033444
612531015344
72141132161
oct526762620
9207154401
1089908624
1146829753
122613a554
131581c490
14bd25768
157d5e8d4
hex55be590

89908624 has 40 divisors (see below), whose sum is σ = 188333432. Its totient is φ = 41333760.

The previous prime is 89908591. The next prime is 89908639. The reversal of 89908624 is 42680998.

It can be written as a sum of positive squares in 4 ways, for example, as 2822400 + 87086224 = 1680^2 + 9332^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64414 + ... + 65794.

Almost surely, 289908624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89908624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94166716).

89908624 is an abundant number, since it is smaller than the sum of its proper divisors (98424808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89908624 is a wasteful number, since it uses less digits than its factorization.

89908624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715 (or 1709 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 89908624 is about 9482.0158194342. The cubic root of 89908624 is about 447.9887592843.

The spelling of 89908624 in words is "eighty-nine million, nine hundred eight thousand, six hundred twenty-four".

Divisors: 1 2 4 8 13 16 26 52 104 208 313 626 1252 1381 2504 2762 4069 5008 5524 8138 11048 16276 17953 22096 32552 35906 65104 71812 143624 287248 432253 864506 1729012 3458024 5619289 6916048 11238578 22477156 44954312 89908624